This plug and play tuner attaches to sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It's designed specifically for the N63 and N63tu motors. Stage1 gains on the N63 are up to 40whp range on pump gas and up to 60whp range with the N63tu motor. With exhaust modifications and/or on racing fuels even higher power levels are possible. Don't pay 10x more for functionally identical piggyback systems or big name flash tunes that claim more power but put down slower times at the track.
For the latest tuning information and updates be sure to check in to this thread
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